Quick answers
- Which hospitals does Boris Reznik work at?
- Medicare's official clinician data lists Boris Reznik at 3 hospitals: Adventist Health Hanford, Adventist Health Reedley and Adventist Health Tulare. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Boris Reznik see patients?
- Medicare's clinician data lists 3 practice locations, including Hanford, CA and Reedley, CA. Call before your visit to confirm the address.
- What is Boris Reznik's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does Boris Reznik accept Medicare assignment?
- Medicare's clinician data says Boris Reznik may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Boris Reznik?
- (559) 638-8155, as listed in official Medicare / NPI Registry data.
- What is Boris Reznik's NPI number?
- 1710087846. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Boris Reznik works
Medicare's Facility Affiliation Data lists Boris Reznik at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health HanfordHanford, CA · Acute Care Hospital · CCN 050121
- Adventist Health ReedleyReedley, CA · Acute Care Hospital · CCN 050192
- Adventist Health TulareTulare, CA · Acute Care Hospital · CCN 050784
Practice locations
Addresses where Boris Reznik is enrolled with Medicare (CMS data updated 2026-10-02).
- 1025 N Douty StHanford, CA 93230
- 115 Mall DrHanford, CA 93230
- 372 W Cypress AveReedley, CA 93654 (559) 638‑8155
Group practices
Medicare enrollment lists Boris Reznik as a member of these groups (CMS data updated 2026-10-02).
- Central Valley General Hospital88 clinicians in the group
- Reedley Community Hospital62 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Hanford
Clinicians with the same Medicare primary specialty in Hanford, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1710087846 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians